Practical Welding Today® was created to fill a void in the industry for hands-on information, real-world applications, and down-to-earth advice for welders. No other welding magazine fills the need for this kind of practical information. Subscriptions are free to qualified welding professionals in North America.

Dear Elmer:Is there a way to weld 1018 cold-rolled steel to cast iron? If so, how?JamesOwings Mills, Md.Dear James:You can weld 1018 low-carbon steel to cast iron using shielded metal arc welding (SMAW) and a nickel-based ENiFe electrode.Clean the surfaces before you start. If the joint is highly...

Let's start with the obvious: Molten metals have no particular structure. The atoms that make up that metal are just whipping around helter-skelter—at a high rate of speed—with no real orderly, defined pattern.

Q: When I weld any aluminum alloy, I see a covering, light gray to black in color, over the weld. I see it when I gas tungsten arc weld (GTAW), but it's worse when I gas metal arc weld (GMAW). What is it? Does it affect the mechanical properties of the weld? How do I get rid of it?A: A common...

Although robotic laser cutting systems have advanced over the years, you should know exactly what one can do before you decide if it's right for you. To find out whether you should choose robotics to laser-cut your parts, you first must consider several factors, starting with what is in a system.

Metal-cored wire is a tubular electrode that consists of a metal sheath and a core of various powdered materials, primarily iron. The core of metal-cored wire contributes almost entirely to the deposited weld metal.

More Media:

TPJ - The Tube & Pipe Journal®

The only North American publication devoted to the metal tube and pipe industry industry and is a trusted source of information for professionals. Subscriptions are free to qualified tube and pipe professionals in North America.